feat: implement authentication and health check providers with hooks for user management

apps/frontend/app/routes/home.tsx

@@ -2,6 +2,7 @@ import { Box, Button, Card, Flex, Grid, Heading, Text } from '@radix-ui/themes';
 import type { Route } from './+types/home';
 import TablePlaceholder from '../components/home/TablePlaceholder';
 import { useLayout } from '../providers/LayoutProvider';
+import { useEnsureLoggedIn } from '../hooks/ensureLoggedIn';
 
 // eslint-disable-next-line no-empty-pattern
 export function meta({}: Route.MetaArgs) {
@@ -9,6 +10,7 @@ export function meta({}: Route.MetaArgs) {
 }
 
 export default function ProxyHostDemo() {
+  useEnsureLoggedIn();
   const { activeTab } = useLayout();
   return (
     <Box>